The correct answer is: Only 1 is correct.
On 9th August 1942, the Congressmen of Raipur took out a procession and shouted slogan ‘Angrezon Bharat Chhodo’. This is a fact.
One youth of Raipur Ramkrishna Singh Thakur hoisted tricolour on the High Court building of Nagpur. This is not a fact. Ramkrishna Singh Thakur was a freedom fighter from Bilaspur, not Raipur. He hoisted the tricolour on the High Court building of Bilaspur, not Nagpur.
In Bilaspur students observed ‘hartal’ on 9th August. This is a fact.
Therefore, only statement 1 is correct.